nz-layout {
    min-height: 100%;
}

.wapper {
    width: 100%;
    height: 100%;
    position: relative;
}

.btns {
    position: absolute;
    right: 100px;
    top: 30%;
    height: auto;
    z-index: 99;
    display: flex;
    flex-direction: column;

    button {
        margin-top: 20px;
    }
}

.cloudword {
    position: absolute;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.network-graph-container {
    position: absolute;
    width: 100%;
    height: 100%;
    z-index: 9;
}

svg {
    display: block;
    margin: auto;
    width: 100%;
    height: 100vh;
}